[mythtv-users] Two odd issues with NBC DTV recordings

[Tom Dexter]

On Wed, Oct 1, 2008 at 6:37 PM, Brian Wood <beww at beww.org> wrote:
> Tom Dexter wrote:
>> I record OTA DTV broadcast out of New York City.  Over the past couple
>> of weeks I've noticed two issues that only occur with recordings from
>> NBC (channel 4.1)...nothing serious but odd.  I already know that NBC
>> is notorious for strange things like switching frame rates for
>> commercials and missing progressive and interlaced frames etc...maybe
>> this stuff is related.  The issues are only on recordings from the
>> past few weeks and don't occur with what older NBC recordings I have.
>> I've done no updates to anything in that time.
>>
>> First of all, very often when I jump ahead or back in the recording I
>> get temporary pixelation, almost as though it's not finding a key
>> frame or something.
>>
>> The other thing I've noticed is that the preview images in mythweb for
>> all the same shows are solid black.  The offset used for previews is
>> set to 64 which must be the default as I've never set it.  The shows
>> definitely have non-black content 64 seconds in, so I think this is
>> being caused by the same thing.
>>
>> I'm guessing this must be something screwy that they're doing.  Anyone
>> else notice this?  Thanks.
>
> Haven't noticed, probably because I live in Wyoming.
>
> But, I have forwarded your post to the engineering folks at WNBC, as I
> know them from when I worked for WWOR and CNN in NYC.
>
> If I hear back I'll post the reply.
>
> beww
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Thanks Brian.  That's great!

I just looked more carefully and it looks like the issue has actually
been going on for just over a week...not quite as long as I originally
thought.

Thanks again.

Tom